Patients with foot pain when walking should consider the following reasons: 1, lumbar spinal stenosis: often due to the hyperplastic yellow ligament, protruding lumbar intervertebral discs and hyperplastic bone, in the joint action caused by the volume of the spinal canal becomes smaller, often occurs in the spinal canal of the spinal cord or nerve roots are compressed, in walking will cause the stenosis more serious, so there will be leg pain, so the typical symptoms of lumbar spinal stenosis often 2, plantar fasciitis: often caused by excessive physical activity or weight-bearing activities, such as frequent hiking, hiking, up and down stairs, can appear plantar tendon strain and pain, so when walking, often cause the inflammation of the recurrence and aggravate the pain.